14165945 has 4 divisors (see below), whose sum is σ = 16999140. Its totient is φ = 11332752.

The previous prime is 14165929. The next prime is 14166017. The reversal of 14165945 is 54956141.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4826809 + 9339136 = 2197^2 + 3056^2 .

It is a cyclic number.

It is not a de Polignac number, because 14165945 - 2⁴ = 14165929 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1416590 + ... + 1416599.

It is an arithmetic number, because the mean of its divisors is an integer number (4249785).

Almost surely, 2^14165945 is an apocalyptic number.

It is an amenable number.

14165945 is a deficient number, since it is larger than the sum of its proper divisors (2833195).

14165945 is an equidigital number, since it uses as much as digits as its factorization.

14165945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2833194.

The product of its digits is 21600, while the sum is 35.

The square root of 14165945 is about 3763.7673945131. The cubic root of 14165945 is about 241.9627529588.

The spelling of 14165945 in words is "fourteen million, one hundred sixty-five thousand, nine hundred forty-five".